Scientific Name - Legousia speculum-Veneris (L.) Chaix.
Synonyms - speculate speculum-Veneris
Popular names - flower Saint Friday, Venus looking glass
Distribution and Habitat - increases in grain fields, sunny areas, up to 800 m altitude.
Description - annual species, fibrous roots. Ramified stem, edges, more or less pubescent, 10-40 cm high. Leaves basal, oblong-spatulate, obtuse tip; cauline leaves 0.5-2.5 x 0.3-1 cm, oblong-obovate, wavy edges, Sesi, semi-amplexicaule. Inflorescence branched, terminal. Flowers 1.5-2.3 cm in diameter, Sesi. Calyx 0.7-0.8 cm, green, five sepa linear, top acute recurv, pubescent. Corola 0.9-1.1 cm, violet-purple with a cream-based pataalb, five petals ovata, obtuse or acute mucron the top. Stamens 5, filaments white, anthers cream. Blooms in May-July. Capsule 1.0-1.5 cm oblunga, dehiscenta, persistent calyx. Seeds oval, glossy brown. 2n = 20
Propagation - the seeds germinate in 16 days.
Curiosity - French botanist Legousia is dedicated Legouz name of Garland, founder of the botanical gardens in Digione 1773-Veneris speculum = mirror round Aphrodite because of the corolla.
Speculum-Veneris Legousia can become invasive of cereal fields.
Anthyllis vulneraria L. - head Turcului, harmful
Herbaceous perennial herb, polymorphic, rhizome. Prostrata strain or ascending, pubescent, hairs white, 5-40 cm high. Basal leaves, arranged in rosette, stems leaves alternate, imparipenat-compound, folio oblong-linear, foliole terminal is greater than the side glabrata or slightly pubescent on the upper face, lower face and Seto.
Nemophila maculata - a species endemic in California, Nevada and Sierra Sacramento Valley provinces, increases from 0 to 3100 m altitude cultivated for ornamental purposes in all regions of the world.
Heliosperma pusillum - herbaceous perennial, native to southern Europe, grows on limestone ravines, from 1000 to 2500 m altitude.
Malacothamnus fasciculatus Greene
Evergreen shrub, vigorous, well branched, 1-4.5 m high. The stem and leaves are pubescent, stellate hairs. Leaves alternate, petiolate; language ovat-round, palmate lobate, 0-7 lobes rounded, toothed margins, 2.11 cm. Blossom spike, flowers Sesi.
Thlaspi montanum L.
Thlaspi montanum var. montanum is toxic and cause death of larvae of Pieris rapa.
Thlaspi montanum var. siskiyouense is a serpentine endemic from southwestern Oregon.